Hypo with C-41

Discussion in 'Color: Film, Paper, and Chemistry' started by mrred, Nov 1, 2013.

  1. mrred

    mrred Subscriber

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    What (if any) problems would there be if I used regular hypo to fix C-41 film?
     
  2. BMbikerider

    BMbikerider Member

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    As you have not mentioned it you will need the bleach bath as well or have you some of that seperate?
     
  3. mrred

    mrred Subscriber

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    I have made a separate bleach bath, hence my need for a fixer.
     
  4. BMbikerider

    BMbikerider Member

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    Plain Hypo may not be aggressive enough to do the fixing stage. Try it on a short strip of unexposed colour neg film and see how long it takes, bleach first of course for the normal time.
     
  5. mrred

    mrred Subscriber

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    If it is simply an issue of not being aggressive enough, I am fine with that. I develop via drum and can wait all day while I am doing something else.
     
  6. Photo Engineer

    Photo Engineer Subscriber

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    It means that some Silver salts can remain behind and these can stain your film!

    PE
     
  7. mrred

    mrred Subscriber

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    The issue that I have is the only c-41 devs available to me are in powder form (Canada) which means I have to suffer with blix. With last batch I developed, it took me a few months before I had a chance to look at them. Too late, the blue-bleach-bypass set in. Without the ability to get CD-4 shipped to me, I am stuck with them. What I can do is mix my own bleach and use a separate fix.

    What I have is 5 lbs of hypo. What I use is ....

    Water (125°F/52°C) 500 ml
    Sodium thiosulfate 250 g*
    Sodium sulfite (anhy) 10 g
    Sodium metabisulfite 25 g**
    Cold water to make 1000 ml

    Which also fixes tmax quite well.

    I don't have the stuff for a traditional C-41 fix now, but that can be easily obtained. I was more concerned about side effects that I was not aware of.